2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
8 #include <linux/types.h>
17 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
18 * more than one entry in the evlist.
20 struct perf_sample_id {
21 struct hlist_node node;
23 struct perf_evsel *evsel;
28 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
35 * The 'struct perf_evsel_config_term' is used to pass event
36 * specific configuration data to perf_evsel__config routine.
37 * It is allocated within event parsing and attached to
38 * perf_evsel::config_terms list head.
41 PERF_EVSEL__CONFIG_TERM_PERIOD,
42 PERF_EVSEL__CONFIG_TERM_FREQ,
43 PERF_EVSEL__CONFIG_TERM_TIME,
44 PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
45 PERF_EVSEL__CONFIG_TERM_STACK_USER,
46 PERF_EVSEL__CONFIG_TERM_INHERIT,
47 PERF_EVSEL__CONFIG_TERM_MAX_STACK,
48 PERF_EVSEL__CONFIG_TERM_OVERWRITE,
49 PERF_EVSEL__CONFIG_TERM_MAX,
52 struct perf_evsel_config_term {
53 struct list_head list;
67 /** struct perf_evsel - event selector
69 * @evlist - evlist this evsel is in, if it is in one.
70 * @node - To insert it into evlist->entries or in other list_heads, say in
71 * the event parsing routines.
72 * @name - Can be set to retain the original event name passed by the user,
73 * so that when showing results in tools such as 'perf stat', we
74 * show the name used, not some alias.
75 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
76 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
78 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
79 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
80 * is used there is an id sample appended to non-sample events
81 * @priv: And what is in its containing unnamed union are tool specific
84 struct list_head node;
85 struct perf_evlist *evlist;
86 struct perf_event_attr attr;
89 struct xyarray *sample_id;
91 struct perf_counts *counts;
92 struct perf_counts *prev_raw_counts;
98 struct event_format *tp_format;
102 struct cgroup_sel *cgrp;
104 struct cpu_map *cpus;
105 struct cpu_map *own_cpus;
106 struct thread_map *threads;
107 unsigned int sample_size;
119 /* parse modifier helper */
123 unsigned long *per_pkg_mask;
124 struct perf_evsel *leader;
126 bool cmdline_group_boundary;
127 struct list_head config_terms;
141 static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
146 static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
148 return perf_evsel__cpus(evsel)->nr;
151 void perf_counts_values__scale(struct perf_counts_values *count,
152 bool scale, s8 *pscaled);
154 void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
155 struct perf_counts_values *count);
157 int perf_evsel__object_config(size_t object_size,
158 int (*init)(struct perf_evsel *evsel),
159 void (*fini)(struct perf_evsel *evsel));
161 struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
163 static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
165 return perf_evsel__new_idx(attr, 0);
168 struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
171 * Returns pointer with encoded error via <linux/err.h> interface.
173 static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
175 return perf_evsel__newtp_idx(sys, name, 0);
178 struct event_format *event_format__new(const char *sys, const char *name);
180 void perf_evsel__init(struct perf_evsel *evsel,
181 struct perf_event_attr *attr, int idx);
182 void perf_evsel__exit(struct perf_evsel *evsel);
183 void perf_evsel__delete(struct perf_evsel *evsel);
185 struct callchain_param;
187 void perf_evsel__config(struct perf_evsel *evsel,
188 struct record_opts *opts,
189 struct callchain_param *callchain);
190 void perf_evsel__config_callchain(struct perf_evsel *evsel,
191 struct record_opts *opts,
192 struct callchain_param *callchain);
194 int __perf_evsel__sample_size(u64 sample_type);
195 void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
197 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
199 #define PERF_EVSEL__MAX_ALIASES 8
201 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
202 [PERF_EVSEL__MAX_ALIASES];
203 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
204 [PERF_EVSEL__MAX_ALIASES];
205 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
206 [PERF_EVSEL__MAX_ALIASES];
207 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
208 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
209 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
210 char *bf, size_t size);
211 const char *perf_evsel__name(struct perf_evsel *evsel);
213 const char *perf_evsel__group_name(struct perf_evsel *evsel);
214 int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
216 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
217 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
219 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
220 enum perf_event_sample_format bit);
221 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
222 enum perf_event_sample_format bit);
224 #define perf_evsel__set_sample_bit(evsel, bit) \
225 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
227 #define perf_evsel__reset_sample_bit(evsel, bit) \
228 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
230 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
231 bool use_sample_identifier);
233 int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
234 int perf_evsel__append_filter(struct perf_evsel *evsel,
235 const char *op, const char *filter);
236 int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
238 int perf_evsel__enable(struct perf_evsel *evsel);
239 int perf_evsel__disable(struct perf_evsel *evsel);
241 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
242 struct cpu_map *cpus);
243 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
244 struct thread_map *threads);
245 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
246 struct thread_map *threads);
247 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
251 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
253 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
256 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
257 struct perf_sample *sample,
260 return perf_evsel__rawptr(evsel, sample, name);
265 u64 format_field__intval(struct format_field *field, struct perf_sample *sample, bool needs_swap);
267 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
269 #define perf_evsel__match(evsel, t, c) \
270 (evsel->attr.type == PERF_TYPE_##t && \
271 evsel->attr.config == PERF_COUNT_##c)
273 static inline bool perf_evsel__match2(struct perf_evsel *e1,
274 struct perf_evsel *e2)
276 return (e1->attr.type == e2->attr.type) &&
277 (e1->attr.config == e2->attr.config);
280 #define perf_evsel__cmp(a, b) \
283 (a)->attr.type == (b)->attr.type && \
284 (a)->attr.config == (b)->attr.config)
286 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
287 struct perf_counts_values *count);
289 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
290 int cpu, int thread, bool scale);
293 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
295 * @evsel - event selector to read value
296 * @cpu - CPU of interest
297 * @thread - thread of interest
299 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
302 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
306 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
308 * @evsel - event selector to read value
309 * @cpu - CPU of interest
310 * @thread - thread of interest
312 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
315 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
318 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
319 struct perf_sample *sample);
321 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
323 return list_entry(evsel->node.next, struct perf_evsel, node);
326 static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
328 return list_entry(evsel->node.prev, struct perf_evsel, node);
332 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
334 * @evsel - evsel selector to be tested
336 * Return %true if @evsel is a group leader or a stand-alone event
338 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
340 return evsel->leader == evsel;
344 * perf_evsel__is_group_event - Return whether given evsel is a group event
346 * @evsel - evsel selector to be tested
348 * Return %true iff event group view is enabled and @evsel is a actual group
349 * leader which has other members in the group
351 static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
353 if (!symbol_conf.event_group)
356 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
359 bool perf_evsel__is_function_event(struct perf_evsel *evsel);
361 static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
363 struct perf_event_attr *attr = &evsel->attr;
365 return (attr->config == PERF_COUNT_SW_BPF_OUTPUT) &&
366 (attr->type == PERF_TYPE_SOFTWARE);
369 struct perf_attr_details {
377 int perf_evsel__fprintf(struct perf_evsel *evsel,
378 struct perf_attr_details *details, FILE *fp);
380 #define EVSEL__PRINT_IP (1<<0)
381 #define EVSEL__PRINT_SYM (1<<1)
382 #define EVSEL__PRINT_DSO (1<<2)
383 #define EVSEL__PRINT_SYMOFFSET (1<<3)
384 #define EVSEL__PRINT_ONELINE (1<<4)
385 #define EVSEL__PRINT_SRCLINE (1<<5)
386 #define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
388 struct callchain_cursor;
390 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
391 unsigned int print_opts,
392 struct callchain_cursor *cursor, FILE *fp);
394 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
395 int left_alignment, unsigned int print_opts,
396 struct callchain_cursor *cursor, FILE *fp);
398 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
399 char *msg, size_t msgsize);
400 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
401 int err, char *msg, size_t size);
403 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
405 return evsel->idx - evsel->leader->idx;
408 #define for_each_group_member(_evsel, _leader) \
409 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
410 (_evsel) && (_evsel)->leader == (_leader); \
411 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
413 static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
415 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
418 typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
420 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
421 attr__fprintf_f attr__fprintf, void *priv);
423 char *perf_evsel__env_arch(struct perf_evsel *evsel);
425 #endif /* __PERF_EVSEL_H */